function.px-get-info.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Return lots of information about a paradox file</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.px-get-field.html">px_get_field</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.px-get-parameter.html">px_get_parameter</a></div> <div class="up"><a href="ref.paradox.html">Paradox Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.px-get-info" class="refentry"> <div class="refnamediv"> <h1 class="refname">px_get_info</h1> <p class="verinfo">(PECL paradox:1.0-1.4.1)</p><p class="refpurpose"><span class="refname">px_get_info</span> — <span class="dc-title">Return lots of information about a paradox file</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>px_get_info</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$pxdoc</tt></span> )</div> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">pxdoc</tt></i></span> <dd> <p class="para"> Resource identifier of the paradox database as returned by <a href="function.px-new.html" class="function">px_new()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an associated array with lots of information about a paradox file. This array is likely to be extended in the future. </p> <dl> <dt> <span class="term">fileversion</span> <dd> <p class="para">Version of file multiplied by 10, e.g. 70.</p> </dd> </dt> <dt> <span class="term">tablename</span> <dd> <p class="para">Name of table as stored in the file. If the database was created by pxlib, then this will be the name of the file without the extension.</p> </dd> </dt> <dt> <span class="term">numrecords</span> <dd> <p class="para">Number of records in this table.</p> </dd> </dt> <dt> <span class="term">numfields</span> <dd> <p class="para">Number of fields in this table.</p> </dd> </dt> <dt> <span class="term">headersize</span> <dd> <p class="para">Number of bytes used for the header. This is usually 0x800.</p> </dd> </dt> <dt> <span class="term">recordsize</span> <dd> <p class="para">Number of bytes used for each record. This is the sum of all field sizes (available since version 1.4.2).</p> </dd> </dt> <dt> <span class="term">maxtablesize</span> <dd> <p class="para"> This value multiplied by 0x400 is the size of a data block in bytes. The maximum number of records in a datablock is the integer part of (maxtablesize * 0x400 - 8) / recordsize. </p> </dd> </dt> <dt> <span class="term">numdatablocks</span> <dd> <p class="para"> The number of data blocks in the file. Each data block contains a certain number of records which depends on the record size and the data block size (maxtablesize). Data blocks may not necessarily be completely filled. </p> </dd> </dt> <dt> <span class="term">numindexfields</span> <dd> <p class="para"> Number of fields used for the primary index. The fields do always start with field number 1. </p> </dd> </dt> <dt> <span class="term">codepage</span> <dd> <p class="para"> The DOS codepage which was used for encoding fields with character data. If the target encoding is not set with <a href="function.px-set-targetencoding.html" class="function">px_set_targetencoding()</a> this will be the encoding for character fields when records are being accessed with <a href="function.px-get-record.html" class="function">px_get_record()</a> or <a href="function.px-retrieve-record.html" class="function">px_retrieve_record()</a>. </p> </dd> </dt> </dl> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.px-numfields.html" class="function" rel="rdfs-seeAlso">px_numfields()</a></li> <li class="member"><a href="function.px-numrecords.html" class="function" rel="rdfs-seeAlso">px_numrecords()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.px-get-field.html">px_get_field</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.px-get-parameter.html">px_get_parameter</a></div> <div class="up"><a href="ref.paradox.html">Paradox Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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